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 How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.

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Thunderdivine
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:16 pm

This is a cheap 20$ Diesel engine boat tachometer, but it seems to update faster than some digital. Note: Make sure you get one that you can adjust the zero point on.
For this you can get a cheap bicycle computer with rpm counter on to use to zero the tach in.



Last edited by Thunderdivine on June 28th 2013, 5:55 pm; edited 1 time in total
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Doc Sprocket
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:26 pm

That's pretty cool. Got a manufacturer/part number?

How does it work? Diesels don't have spark ignition systems. Do you have to install a magnetic sensor?
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Thunderdivine
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:31 pm

Doc Sprocket wrote:
That's pretty cool. Got a manufacturer/part number?

How does it work? Diesels don't have spark ignition systems. Do you have to install a magnetic sensor?

Yea and no. I'll get ebay links later.
but its all connected with 3 wires and only one from the engine/ Alternator. So the tach reads the pps i guess from the AC light power source.
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Doc Sprocket
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:34 pm

So how would it connect to a Diesel normally? Also from the alternator? Is there a way to adjust for the number of pulses of different alternators?

Too bad it only goes to 4K.
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Thunderdivine
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:45 pm

Doc Sprocket wrote:
So how would it connect to a Diesel normally? Also from the alternator? Is there a way to adjust for the number of pulses of different alternators?

Too bad it only goes to 4K.

Yes via the alternator "W" connector. But like i found out the "W" is just the AC pulse. aka our light source.

Nope, you cant adjust for different pulses, then you want a digital one.

You can get Diesel Universal Tachs ranging from 0-6k also, but i wanted this cheap one for now.

Heres the closest link i found, its in the UK ebay, with a fanzy chrome bezel Razz
http://item.mobileweb.ebay.co.uk/viewitem?itemId=221071660492&cmd=VIDESC
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Doc Sprocket
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:47 pm

Ahh. Very interesting. While I was awaiting your reply, I did a little research and learned more. I hadn't thought of that. I just assumed that a diesel tach would require the use of either a photo sensor, or a magnetic one.
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Thunderdivine
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 5:52 pm

Doc Sprocket wrote:
Ahh. Very interesting. While I was awaiting your reply, I did a little research and learned more. I hadn't thought of that. I just assumed that a diesel tach would require the use of either a photo sensor, or a magnetic one.

Ya same here, and thats the beauty of it, its so easy.

Heres a link to mine: Euro version,
http://biltema.no/no/Bat/12-V/Elektrisk-tilbehor/Turteller-for-dieselmotorer-258005/

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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitimeJune 28th 2013, 9:54 pm

Thanks for the info!
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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Empty
PostSubject: Re: How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.   How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out. Icon_minitime

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How to: Hook up a Diesel tachometer to a Briggs Opposed Twin or any Briggs with AC out.
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